<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/54281000/jpg/_54281069_553935main_pia14172-43_1600-1200.jpg>
<http://www.bbc.com/news/science-environment-14299278>